Wilbur Curtis Coffee Grinder Troubleshooting Guide
Wilbur Curtis coffee grinders deliver the consistency and precision needed to streamline operations and satisfy customers. While these machines are known for their durability, issues may still arise on occasion. To help keep your equipment in good working order, our Wilbur Curtis coffee grinder troubleshooting guide outlines common causes and solutions for performance issues so you can minimize disruptions.
These instructions are for ILGD-10 digital interlock and SHG-10 automatic units.
Grinder Not Working/Grinding (Motor Not Running)
- Unit isn’t turned on - Press the On/Off switch to power on the machine.
- Machine is unplugged - Plug the power cord into an electrical outlet.
- Circuit breaker is off or tripped - Reset the circuit breaker. If issues persist, contact a licensed electrician for further assistance.
- Overload protector is activated - Reset the overload protector by pressing the circuit breaker button on the back of the unit. If the button pops back out, contact an authorized technician to remedy the issue.
- Buttons are faulty - See the “Buttons Aren’t Working” section.
- Wiring to control board is faulty - Schedule an appointment with a licensed technician to service the machine.
- Timer is malfunctioning - Call an authorized technician to solve the problem.
- Control board is defective - Arrange for a licensed technician to handle the issue.
Gear Motor Is Running But Machine Isn’t Grinding
- Grinder motor doesn’t have power - Find an authorized technician to correct the malfunction.
- Motor capacitor or gear motor is defective - Speak with a licensed technician to address the issue.
- Wiring to the grinder motor is faulty - Seek help from an authorized technician to resolve the problem.
- Control board is malfunctioning - Contact a licensed technician for further assistance.
Unit Not Grinding (Motor Runs)
- Both bean funnels are blocked - Clear the obstructions in the bean funnels.
- Shear disk is broken - Seek help from a licensed technician to address the issue.
Machine Grinds on One Side Only
- One bean funnel is clogged - Remove the obstruction in the clogged bean funnel.
- Gear motor is faulty - Reach out to an authorized technician for assistance.
- Gear motor wiring is defective - Call a licensed technician to handle the issue.
- Control board that supplies power to the gear motor is malfunctioning - Arrange for an authorized technician to resolve the problem.
Buttons Aren’t Working
- Buttons are defective - Seek assistance from a licensed technician to correct the issue.
- Control board is faulty - Reach out to an authorized technician to address the malfunction.
Coffee Is Too Coarse or Too Fine
- Grinder motor housing isn’t seated properly - Turn off the machine, cut the power and adjust the grinder motor housing so that it’s positioned correctly.
- Grinding burrs aren’t set properly - Adjust the grinding burrs to produce the desired results.
- Grinding burrs are worn - Contact a licensed technician to remedy the issue.
Unit Shuts Down Before Brew Basket Is Full
- Timer duration is too short - Extend the timer duration by following the steps in our Wilbur Curtis coffee grinder programming guide.
If you found this article helpful, be sure to take a look at the large collection of Wilbur Curtis coffee grinder manuals and diagrams on our site.